<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>Home</title>
</head>
<body>
<h1>欢迎登录</h1>
<form action="/loginUser" method="post">
    <input type="text" name="username"/> <br/>
    <input type="password" name="password"/> <br/>
    <input type="submit" value="提交"/>
</form>
</body>
</html>